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Molecular formula

C18H15NOS

35 compounds have this formula on CompoundList.

Molar mass
293.38g/mol
Monoisotopic mass
293.0874Da
Atoms
36
Elements
5
Rings plus double bonds
12

The formula C18H15NOS describes a molecule made of 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 1 oxygen atom and 1 sulfur atom. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • C Carbon × 1873.69%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 155.15%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 14.77%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 15.45%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 110.93%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H15NOS

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 35 of 35 compounds

2-[(4-Methylbenzyl)sulfanyl]-3-quinolinecarbaldehyde chemical structure, C18H15NOS, CAS 478065-50-8
2-[(4-Methylbenzyl)sulfanyl]-3-quinolinecarbaldehyde
CAS 478065-50-8C18H15NOS
N-Benzhydrylthiophene-2-carboxamide chemical structure, C18H15NOS, CAS 313969-31-2
N-Benzhydrylthiophene-2-carboxamide
CAS 313969-31-2C18H15NOS
2-((4-Methyl-2-quinolinyl)thio)-1-phenylethanone chemical structure, C18H15NOS, CAS 13896-86-1
2-((4-Methyl-2-quinolinyl)thio)-1-phenylethanone
CAS 13896-86-1C18H15NOS
N-[(Thiophen-3-yl)methyl]-[1,1'-biphenyl]-4-carboxamide chemical structure, C18H15NOS, CAS 1058195-79-1
N-[(Thiophen-3-yl)methyl]-[1,1'-biphenyl]-4-carboxamide
CAS 1058195-79-1C18H15NOS
3-(Methylthio)-N-(naphthalen-1-yl)benzamide chemical structure, C18H15NOS, CAS 896342-44-2
3-(Methylthio)-N-(naphthalen-1-yl)benzamide
CAS 896342-44-2C18H15NOS
1-(((p-Tolylthio)imino)methyl)naphthalen-2-ol chemical structure, C18H15NOS, CAS 906439-72-3
1-(((p-Tolylthio)imino)methyl)naphthalen-2-ol
CAS 906439-72-3C18H15NOS
(E)-1-(((p-Tolylthio)imino)methyl)naphthalen-2-ol chemical structure, C18H15NOS
(E)-1-(((p-Tolylthio)imino)methyl)naphthalen-2-ol
C18H15NOS
N-(2-Methylsulfanylphenyl)naphthalene-2-carboxamide chemical structure, C18H15NOS, CAS 852038-17-6
N-(2-Methylsulfanylphenyl)naphthalene-2-carboxamide
CAS 852038-17-6C18H15NOS
2-Methylsulfanyl-N-naphthalen-1-ylbenzamide chemical structure, C18H15NOS, CAS 82153-09-1
2-Methylsulfanyl-N-naphthalen-1-ylbenzamide
CAS 82153-09-1C18H15NOS
5-Methyl-N-(2-phenylphenyl)thiophene-3-carboxamide chemical structure, C18H15NOS, CAS 717860-61-2
5-Methyl-N-(2-phenylphenyl)thiophene-3-carboxamide
CAS 717860-61-2C18H15NOS
(R)-2-(Benzo[b]thiophen-2-yl)-4-benzyl-4,5-dihydrooxazole chemical structure, C18H15NOS, CAS 2757084-02-7
(R)-2-(Benzo[b]thiophen-2-yl)-4-benzyl-4,5-dihydrooxazole
CAS 2757084-02-7C18H15NOS
1-[4-Methyl-2-(phenylsulfanyl)-3-quinolinyl]-1-ethanone chemical structure, C18H15NOS, CAS 400076-25-7
1-[4-Methyl-2-(phenylsulfanyl)-3-quinolinyl]-1-ethanone
CAS 400076-25-7C18H15NOS
N-(4-Methylphenyl)-4-(thiophen-2-yl)benzamide chemical structure, C18H15NOS, CAS 338794-31-3
N-(4-Methylphenyl)-4-(thiophen-2-yl)benzamide
CAS 338794-31-3C18H15NOS
(S)-2-(Benzo[b]thiophen-2-yl)-4-benzyl-4,5-dihydrooxazole chemical structure, C18H15NOS, CAS 2170033-85-7
(S)-2-(Benzo[b]thiophen-2-yl)-4-benzyl-4,5-dihydrooxazole
CAS 2170033-85-7C18H15NOS
O-Naphthalen-2-yl methyl(phenyl)carbamothioate chemical structure, C18H15NOS, CAS 1037-25-8
O-Naphthalen-2-yl methyl(phenyl)carbamothioate
CAS 1037-25-8C18H15NOS
1-(3,4-Diphenyl-2,3-dihydro-1,3-thiazol-2-ylidene)propan-2-one chemical structure, C18H15NOS, CAS 443694-26-6
1-(3,4-Diphenyl-2,3-dihydro-1,3-thiazol-2-ylidene)propan-2-one
CAS 443694-26-6C18H15NOS
2-Methylsulfanyl-N-naphthalen-2-ylbenzamide chemical structure, C18H15NOS, CAS 710972-25-1
2-Methylsulfanyl-N-naphthalen-2-ylbenzamide
CAS 710972-25-1C18H15NOS
6-Phenyl-6,7-dihydropyrrolo[2,1-d][1,5]benzothiazepin-7-ol chemical structure, C18H15NOS, CAS 85725-93-5
6-Phenyl-6,7-dihydropyrrolo[2,1-d][1,5]benzothiazepin-7-ol
CAS 85725-93-5C18H15NOS
N-(2-Benzylphenyl)thiophene-2-carboxamide chemical structure, C18H15NOS, CAS 717871-31-3
N-(2-Benzylphenyl)thiophene-2-carboxamide
CAS 717871-31-3C18H15NOS
(2E,4Z)-4-(3-Methyl-1,3-benzothiazol-2(3H)-ylidene)-1-phenylbut-2-EN-1-one chemical structure, C18H15NOS, CAS 108717-10-8
(2E,4Z)-4-(3-Methyl-1,3-benzothiazol-2(3H)-ylidene)-1-phenylbut-2-EN-1-one
CAS 108717-10-8C18H15NOS
4-(3,4-Dihydro-2H-1-benzopyran-6-yl)-2-phenyl-1,3-thiazole chemical structure, C18H15NOS, CAS 1402143-63-8
4-(3,4-Dihydro-2H-1-benzopyran-6-yl)-2-phenyl-1,3-thiazole
CAS 1402143-63-8C18H15NOS
5-(3,4-Dimethylbenzylidene)-2-phenyl-1,3-thiazol-4(5H)-one chemical structure, C18H15NOS, CAS 355002-60-7
5-(3,4-Dimethylbenzylidene)-2-phenyl-1,3-thiazol-4(5H)-one
CAS 355002-60-7C18H15NOS
4-Methyl-8-phenoxy-2,3-dihydrothieno[3,2-c]quinoline chemical structure, C18H15NOS, CAS 861210-05-1
4-Methyl-8-phenoxy-2,3-dihydrothieno[3,2-c]quinoline
CAS 861210-05-1C18H15NOS
4-Methyl-6-phenoxy-2,3-dihydrothieno[3,2-c]quinoline chemical structure, C18H15NOS, CAS 866133-62-2
4-Methyl-6-phenoxy-2,3-dihydrothieno[3,2-c]quinoline
CAS 866133-62-2C18H15NOS

Frequently asked questions

What is the molar mass of C18H15NOS?

The molar mass of C18H15NOS is 293.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 293.0874 Da.

How many compounds have the formula C18H15NOS?

CompoundList lists 35 compounds with the molecular formula C18H15NOS, including 2-[(4-Methylbenzyl)sulfanyl]-3-quinolinecarbaldehyde, N-Benzhydrylthiophene-2-carboxamide, 2-((4-Methyl-2-quinolinyl)thio)-1-phenylethanone. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C18H15NOS?

C18H15NOS has a degree of unsaturation of 12. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.